Air purifier



FIG. 1 is a front perspective view of an air purifier of the present invention.

FIG. 2 is a front side elevational view of the air purifier of FIG. 1.

FIG. 3 is a back side elevational view of the air purifier of FIG. 1.

FIG. 4 is a right side elevational view of the air purifier of FIG. 1.

FIG. 5 is a left side elevational view of the air purifier of FIG. 1.

FIG. 6 is a plan view of the air purifier of FIG. 1; and,

FIG. 7 is a bottom view of the air purifier of FIG. 1.

The broken lines in the figures are for environmental purposes only and form no part of the claimed design. 

The ornamental design for an air purifier, as shown and described. 